INTRODUCTION TO ENVIRONMENTAL
SCIENCE EXAM 1 LATEST UPDATE 2026
(UNIVERSITY OF IOWA) QUESTIONS AND
WELL DETAILED ANSWERS
Environmental Science -CORRECTANSWER the study of how the natural world works,
how our environment affects us, and how we affect our environment
Alfred Wegener -CORRECTANSWER Who put the continents together as you would
puzzle pieces?
Took Earthquake -CORRECTANSWER -Occurred March 11, 2011
-Occurred under the ocean, along the plate margin
-Released HUGE amount of energy
-Measured 9.0 on the Richter scale
-Initiated tsunami
Matter -CORRECTANSWER all material that occupies space
, Chemistry -CORRECTANSWER the study of how matter interacts
Element -CORRECTANSWER a fundamental type of matter. A chemical substance
with a given set of properties. Named based on the proton number
Isotope -CORRECTANSWER atoms of the same element with different numbers of
neutrons
Half-life -CORRECTANSWER the amount of time it takes for 1/2 the atom to give off
radiation and decay
Charge -CORRECTANSWER Protons: +
Neutrons: neutral
Electrons: -
Both -CORRECTANSWER Which is more important to how an atom behaves, protons
or neutrons?
-Ionic: electron transfer
-Covalent: shared electrons
SCIENCE EXAM 1 LATEST UPDATE 2026
(UNIVERSITY OF IOWA) QUESTIONS AND
WELL DETAILED ANSWERS
Environmental Science -CORRECTANSWER the study of how the natural world works,
how our environment affects us, and how we affect our environment
Alfred Wegener -CORRECTANSWER Who put the continents together as you would
puzzle pieces?
Took Earthquake -CORRECTANSWER -Occurred March 11, 2011
-Occurred under the ocean, along the plate margin
-Released HUGE amount of energy
-Measured 9.0 on the Richter scale
-Initiated tsunami
Matter -CORRECTANSWER all material that occupies space
, Chemistry -CORRECTANSWER the study of how matter interacts
Element -CORRECTANSWER a fundamental type of matter. A chemical substance
with a given set of properties. Named based on the proton number
Isotope -CORRECTANSWER atoms of the same element with different numbers of
neutrons
Half-life -CORRECTANSWER the amount of time it takes for 1/2 the atom to give off
radiation and decay
Charge -CORRECTANSWER Protons: +
Neutrons: neutral
Electrons: -
Both -CORRECTANSWER Which is more important to how an atom behaves, protons
or neutrons?
-Ionic: electron transfer
-Covalent: shared electrons
